From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dan Nicolaescu Newsgroups: gmane.emacs.bugs Subject: bug#15025: emacs --daemon stuck in infinite loop Date: Fri, 09 Aug 2013 09:25:19 -0400 Message-ID: References: <4jpptql6gy.fsf@fencepost.gnu.org> <5201AD43.4040105@yandex.ru> <52045526.8060404@yandex.ru> <5204B28B.2060505@gmx.at> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1376054782 31619 80.91.229.3 (9 Aug 2013 13:26:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 9 Aug 2013 13:26:22 +0000 (UTC) Cc: Dmitry Antipov , 15025@debbugs.gnu.org To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Aug 09 15:26:23 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1V7mhz-0007Wd-Eh for geb-bug-gnu-emacs@m.gmane.org; Fri, 09 Aug 2013 15:26:23 +0200 Original-Received: from localhost ([::1]:37286 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7mhz-0001m4-1A for geb-bug-gnu-emacs@m.gmane.org; Fri, 09 Aug 2013 09:26:23 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60937) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7mhi-0001Ss-Gb for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 09:26:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V7mhf-0006GM-Lu for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 09:26:06 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:54918) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7mhf-0006GH-Iu for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 09:26:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1V7mhe-00039i-Kj for bug-gnu-emacs@gnu.org; Fri, 09 Aug 2013 09:26:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Dan Nicolaescu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 09 Aug 2013 13:26:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15025 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15025-submit@debbugs.gnu.org id=B15025.137605472512075 (code B ref 15025); Fri, 09 Aug 2013 13:26:02 +0000 Original-Received: (at 15025) by debbugs.gnu.org; 9 Aug 2013 13:25:25 +0000 Original-Received: from localhost ([127.0.0.1]:49234 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V7mh1-00038g-M9 for submit@debbugs.gnu.org; Fri, 09 Aug 2013 09:25:24 -0400 Original-Received: from fencepost.gnu.org ([208.118.235.10]:37286 ident=Debian-exim) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V7mgy-00038W-17 for 15025@debbugs.gnu.org; Fri, 09 Aug 2013 09:25:20 -0400 Original-Received: from dann by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1V7mgx-0002Db-9Z; Fri, 09 Aug 2013 09:25:19 -0400 In-Reply-To: <5204B28B.2060505@gmx.at> (martin rudalics's message of "Fri, 09 Aug 2013 11:12:43 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:77154 Archived-At: martin rudalics writes: >>> next_frame has that loop "while (passed < 2)" where emacs gets stuck, >>> but prev_frame does not. Any idea what can it make it get stuck there? >> >> Hm... strange values (dead frame?) in Vframe_list may be a reason. > > IIUC failing to increment passed can happen only if the frame next_frame > got called with is not on Vframe_list. We could try asserting that it is. That gives the idea of killing multiple emacsclients at the same time... This looks reproducible: Xnest :1 xterm -display :1 in that xterm: emacs -Q --deamon from the :0 display create 2 more xterms in Xnest: xterm -display :1 xterm -display :1 and in each of the do emacsclient -t C-z in another xterm on :0 do: emacsclient -t C-z at this point we should have 3 suspended emacsclients, 2 in Xnest, one in the main display. Kill Xnest Now emacs is stuck. VframeList looks like it's empty.